51 lines
1.5 KiB
Nix
51 lines
1.5 KiB
Nix
{ lib, stdenv, fetchFromGitHub }:
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stdenv.mkDerivation rec {
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version = "0.6.8";
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pname = "nix-bash-completions";
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src = fetchFromGitHub {
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owner = "hedning";
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repo = "nix-bash-completions";
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rev = "v${version}";
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sha256 = "1n5zs6xcnv4bv1hdaypmz7fv4j7dsr4a0ifah99iyj4p5j85i1bc";
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};
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postPatch = ''
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# Nix 2.4+ provides its own completion for the nix command, see https://github.com/hedning/nix-bash-completions/issues/20
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# NixOS provides its own completions for nixos-rebuild now.
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substituteInPlace _nix \
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--replace 'nix nixos-option' 'nixos-option' \
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--replace 'nixos-rebuild nixos-install' 'nixos-install'
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'';
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strictDeps = true;
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# To enable lazy loading via bash-completion we need a symlink to the script
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# from every command name.
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installPhase = ''
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runHook preInstall
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commands=$(
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function complete() { shift 2; echo "$@"; }
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shopt -s extglob
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source _nix
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)
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install -Dm444 -t $out/share/bash-completion/completions _nix
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cd $out/share/bash-completion/completions
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for c in $commands; do
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ln -s _nix $c
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done
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runHook postInstall
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'';
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meta = with lib; {
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homepage = "https://github.com/hedning/nix-bash-completions";
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description = "Bash completions for Nix, NixOS, and NixOps";
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license = licenses.bsd3;
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platforms = platforms.all;
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maintainers = with maintainers; [ hedning ncfavier ];
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# Set a lower priority such that Nix wins in case of conflicts.
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priority = 10;
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};
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}
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